trichatrophia

trich·a·tro·phi·a

(trik-ă-trō'fē-ă),
Atrophy of the hair bulbs, with brittleness, splitting, and falling out of hair.
[trich- + G. atrophia, atrophy]

trichatrophia

(trĭk″ă-trō′fē-ă) [″ + atrophia, atrophy]
Brittleness of hair resulting from atrophy of the root.